La Mer's 'Regenerating Serum' is the ultimate protection against signs of ageing. This lightweight, powerful formula is blended with three of the brand's signature innovations - Miracle Broth™ for its nutrient-rich healing properties, plus The Regenerating Ferment™ and The Marine Peptide Ferment to active your skin's natural production of collagen and elastin. Expect fine lines and wrinkles to gradually be reduced, and pores minimized.